﻿    // implement JSON.stringify serialization  
    var JSON = new Object();
    
    JSON.stringify = JSON.stringify || function (obj) {  
        var t = typeof (obj);  
        if (t != "object" || obj === null) {  
            // simple data type  
            if (t == "string") obj = '"'+obj+'"';  
            return String(obj);  
        }  
        else {  
           // recurse array or object  
           var n, v, json = [], arr = (obj && obj.constructor == Array);  
           for (n in obj) {  
               v = obj[n]; t = typeof(v);  
               if (t == "string") v = '"'+v+'"';  
               else if (t == "object" && v !== null) v = JSON.stringify(v);  
               json.push((arr ? "" : '"' + n + '":') + String(v));  
           }  
           return (arr ? "[" : "{") + String(json) + (arr ? "]" : "}");  
       }  
   };  